Physical measures. Activity monitor. Between the second and third week of the run-in (Baseline) and 1 week before the 6 month and 12 month assessments all participants will wear activity monitors for physical activity. The participants will also complete the Blair (1984) questionnaire for the same one-week period. Participants in the CALM-D condition will be reminded one week prior to each of 17 intervention sessions to wear the accelerometer daily and bring it to the next session. We intend to use the New Lifestyle NL-2000 activity monitor. This device weighs .25 ounce, count steps and estimates calories burned. The caloric estimate subtracts calories burned in maintenance and adjusts for intensity based upon steps per unit of time. This device has a 7 day automatic memory that starts each midnight at zero.